单频和多频刺激骨导听性稳态反应的比较

Auditory Steady-state Response to Single or Simultaneously Multiple Bone-conduction Stimuli in Adults with Normal Hearing

高胜利;黄治物;常伟;李骏;朱素琴;

1:武汉大学人民医院耳鼻咽喉-头颈外科

2:武汉大学人民医院耳鼻咽喉-头颈外科

3:武汉大学人民医院耳鼻咽喉-头颈外科

4:武汉大学人民医院耳鼻咽喉-头颈外科

摘要
目的测试听力正常青年人单频及多频刺激骨导听性稳态反应(BC-ASSR)阈值,比较两者是否有差异。方法选取听力正常青年人28例(56耳),进行骨导ASSR及纯音听阈测试,记录0.5、1、2、4kHz单频刺激及多频刺激的BC-ASSR反应阈及纯音听阈,比较两种刺激方式所得结果。结果在0.5、1、2、4kHz频率单频刺激骨导的ASSR反应阈分别为53、47、53、51dB SPL,多频刺激骨导ASSR反应阈分别为59、54、63、61dB SPL,两者间有高度显著性差异(P<0.01),且高频处的差异相对较大。结论BC-ASSR测试时,单频刺激和多频刺激方法所得听阈值存在一定的差异,且高频处的差异相对较大,因而临床应用测试时宜采用单频刺激方式。
关键词
听性稳态反应;骨导;单频刺激;多频刺激
基金项目(Foundation):
作者
高胜利;黄治物;常伟;李骏;朱素琴;
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